Question

On adding conc. H₂SO₄ to cane sugar, the colour observed is ______.

विकल्प

• yellow

• black

• green

• violet

Answer 1

On adding conc. H₂SO₄ to cane sugar, the colour observed is black.

Explanation:

Concentrated sulphuric acid acts as a strong dehydrating agent. It removes water from cane sugar, leaving behind black carbon.

\[\ce{C12H22O11 ->[conc{.}H2SO4] 12C + 11H2O}\]